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After doing some processing on an audio or image array, it needs to be normalized within a range before it can be written back to a file. This can...
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It is possible to install NumPy with pip using pip install numpy. Is there a similar possibility with SciPy? (Doing pip install scipy does not work.) Update The package...
I have a set of data and I want to compare which line describes it best (polynomials of different orders, exponential or logarithmic). I use Python and Numpy and...
Say I have an image of size 3841 x 7195 pixels. I would like to save the contents of the figure to disk, resulting in an image of the...
Using standard Python arrays, I can do the following: arr = arr.append([1,2,3]) arr.append([4,5,6]) # arr is now [[1,2,3],[4,5,6]] However, I cannot do the same thing in numpy. For...
I am looking for a function that takes as input two lists, and returns the Pearson correlation, and the significance of the correlation. 17 Answers 17
I know I could implement a root mean squared error function like this: def rmse(predictions, targets): return np.sqrt(((predictions - targets) ** 2).mean()) What I’m looking for if this rmse...
Is there a SciPy function or NumPy function or module for Python that calculates the running mean of a 1D array given a specific window? 30 Answers 30
Lets assume we have a dataset which might be given approximately by import numpy as np x = np.linspace(0,2*np.pi,100) y = np.sin(x) + np.random.random(100) * 0.2 Therefore we have...